Why are statistics so critical? Because without this insight into how your data is distributed in your tables and indexes, the SQL Server Query Optimizer (QO) would not have any understanding of how your data is distributed.

The challenge involves an undirected cyclic graph that represents pairs of connected nodes that have some kind of a relationship between them. The goal is to group all nodes that are connected either directly or indirectly (transitively).

Twitter has long offered a way for brands or researchers to analyze events, sentiment and customer service. But an enterprise version for big brands was too expensive for developers, while a free version didn’t provide enough data. So the company...

IBM said Friday it has created a prototype 50 qubit quantum computer. A machine this size is believed to be close to the threshold at which it could perform tasks beyond the reach of conventional supercomputers.